Replacement switch will have unmarked terminals and will have to be compared with
Remove 16 screws (1), 16 Iockwashers (2) and 16 flat washers (3) securing cover (4) to switch box
(5) and take cover, with switch (6) attached, off switch box.
Make sure identification bands on wires are legible before disconnecting wires from
switch. Tag switch terminals and all unmarked wires.
Disconnect all wires from switch (6) by removing one screw (7), one nut (8) and one star washer (9)
from each switch terminal.
Remove screw (10) and Iockwasher (11) securing knob (12) to switch (6) and take off knob.
Remove four screws (13), four nuts (14), eight flat washers (15) and preformed packing (16) securing
switch (6) to cover (4) and take switch off cover.
Position switch (6) on inside of cover (4). Insert four screws (13) with one flat washer (14) and one
preformed packing (15) each through cover and switch standoffs.
Install one flat washer (15) and one nut (14) on end of each screw (13) and tighten.
Position knob (12) on switch (6) and install screw (10) and Iockwasher(11).
Observe identification bands on wires when reconnecting wires.
Connect indicator light wires to switch (paragraph 4-25, b.(2)).
Connect power cables to switch (paragraph 4-25, d.(2)).
Connect load terminal wires to switch (paragraph 4-25, c.(2)).
Position cover (4) on switch box (5) and secure with 16 screws (1), 16 Iockwashers (2) and 16 flat
b. Power Cable and Wiring Repair. The switch box wiring is repaired by tightening or replacing loose or
damaged terminals. The power cables are repaired by replacing damaged terminals. The repair parts and
special tools list in this manual lists part numbers for the terminals. The replacement terminals are soldered onto
the wires in accordance with procedures given in TB SIG 222 and TM 55-1500-323-25.